swim away or if they are fighting fish like sharks, octopus etc. then they would supposedly fight back.
They don't really defend themselves. They hide in aneomes and swim away.
Most fish just swim away or hide.
sharks defend themselves because they are afraid of being eaten and attacked by the other fish or animals
They can't. That's why you don't put them in a tank with fish!
Porcupines defend themselves with their quills.
They defend themselves from enemies and find food by themselves. They can also live near a source of water and eat fish.
Porcupines defend themselves with their quills.
They defend themselves by releasing disgusting slime when attacked.
They will defend their own breeding area and their fry or eggs. They will not protect or defend other fish
They run away from predators or may defend themselves using their horns.
Probably how most dogs defend themselves; By biting and growling and snarling.
they defend themselves by staying near other birds or using their sharp beak as a chisel .